0.4 inch 3 digit 7 segment display with common cathode for precise instrument readings
Price:
0.05-0.2 US dollars
MOQ:
1000
Delivery Time:
15-20 working days
Brand:
Weishibo
Product Description
0.4 Inch 3 Digit 7 Segment LED Display
Product Overview
Factory supply 0.4" 3-digit seven segment LED display with 3 independent decimal points, multi-color optional, common cathode & common anode configurations. Ideal for industrial measuring equipment, instruments, chargers, and thermostats.
Key Features & Benefits
- Professional LED display manufacturer with over 10 years of production experience
- Fully automated SMT assembly lines ensure stable, consistent quality for bulk orders
- Standard 0.4-inch digit height provides optimal readability without excessive board space
- Matte black anti-glare mask eliminates light crosstalk between segments
- Three independent decimal points for precise data display (voltage, temperature, pressure)
- Dual polarity options: common anode / common cathode compatible with all mainstream MCU systems
- Full luminous color series: red, green, blue, pure white, yellow with adjustable brightness
- Through-hole DIP pin structure compatible with wave soldering and manual welding
- Wide operating temperature range: -20℃ to +85℃ for industrial and household equipment
- Custom services: pin definition, surface silk screen, brightness adjustment, packaging
- Sufficient stock for standard models with 3-7 day lead time for wholesale orders
Applications
- Voltage/current measuring instruments
- Digital thermostats and temperature & humidity transmitters
- Power bank & battery chargers
- Electronic weighing scales
- Industrial small counters
- Air purifier & humidifier control panels
- Student electronic teaching experiment kits
- Mini timing countdown devices
Technical Specifications
| Item | Specification |
|---|---|
| Digit Size | 0.4 inch |
| Digit Quantity | 3 digits, each with independent decimal point |
| Mounting Type | Through hole DIP dual in-line package |
| Polarity | Common Anode / Common Cathode optional |
| Optional Luminous Color | Red, Green, Blue, White, Yellow |
| Operating Temperature | -20℃ to +85℃ |
| Driver Compatibility | TM1637, 74HC573, CD4511, MAX7219 and other mainstream driver ICs |
Factory Advantages
- 100% full lighting aging inspection before shipment, zero defective rate guarantee
- Flexible MOQ: small sample trial orders and large bulk wholesale both acceptable
- Professional electronic engineering team, free circuit matching technical guidance
- All products comply with RoHS & REACH standards, meet EU and global export requirements
- Stable monthly production capacity, on-time delivery for long-term cooperative clients
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Nanjing Weishi Bo Electronics Co., Ltd
Location
No. 86, Runqi Road, Dongshan Subdistrict, Jiangning District, Nanjing City, Jiangsu Province, China
Contact Person
Scott